Decorate according to your personal taste!
First create a "decoration plan" and arrange all your accessories roughly on the tray. Draw a decoration sketch of where to place what or take a photograph of your rough idea.
If you use real small green plants, plant them in the potting soil first. Turn the surface of the planting bowl into grass (moss), paths (decorative stones), fences (miniature wooden trunks). Artificial plant green is then placed on the moss